{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08262_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Scotland, South-Dakota | 1923 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082621923:08262_1923-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Scotland, South-Dakota | 1923 | sanborn08262_007 p1 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"19"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6938.1"},{"label":"split_canvas_h","value":"4469.3"}],"created":"2026-09-23T04:38:03Z","modified":"2026-09-23T04:38:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082621923:08262_1923-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082621923:08262_1923-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6938.1,0.0 -0.0,0.0 0.0,4469.3 3864.2,4469.3 6938.1,4469.3 6938.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082621923:08262_1923-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1766.0,1829.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7256398,43.1495654]}},{"type":"Feature","properties":{"resourceCoords":[2857.3,2116.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7161754,43.1475288]}}]}}]}